Macdon 973 hh and 974 fd parts catalog 1. Model 973 COMBINE HEADER Model 974 FLEX DRAPER COMBINE HEADER PARTS CATALOG Form 147086 Issue 01/07 Sugg. The rotor design has two rows of knives that allow a uniform cut of the forage: The rotor speed is 1366 rpm; The cutting width is 1.8 m (6 ft) The cutting height can be adjusted to obtain a minimum of 6.4 cm (2.5 in.) or a maximum of 18.4 cm (7.25 in.) with a lever or an optional hydraulic cylinder.
Form # 147083
Issue 01/07
973/974 Harvest Header Pre-Delivery Checklist
HEADER SERIAL NUMBER ______________________________
Perform these checks and adjustments prior to delivery to your customer. See the Operator's Manual for
adjustment details.
CAUTION: Carefully follow the instructions given. Be alert for safety related messages which
bring your attention to hazards and unsafe practices.
Check for shipping damage or missing parts. Be sure all shipping dunnage is removed.
Adjust reel clearance at cutterbar:
973 Headers: 5/8 inch (15 mm) at both ends of cutterbar.
30’ 974 Headers: 1-3/4” (45mm) at each end and 2-1/4” (58mm) at center.
36’ 974 Headers: 1-3/4” (45mm) at left end, 1” (25mm) at right end and 2-3/8” (60mm) at center.(P. 56)
NOTE: For 974 Flex Header check measurements with cutterbar in full frown position.
Check reel is centered between header end sheets (P. 58).
NOTE: For 974 Flex Header check centering with cutterbar in full smile position.
Check sickle drive belt tension (P. 51)
Grease all bearings and drive lines (P. 38).
Reposition wobble box breather to rear hole (unless transported upright on trailer) (P. 86).
Check wobble box lube level (P. 50).
Bleed reel lift cylinder (P. 85).
Check skid shoes are evenly adjusted (P. 19).
Mac Don 973 Harvester Manual Download
Check deck height (draper to cutterbar clearance – 1 mm gap to 1.5 mm draper deflection) (P. 55).
Check draper tension (P. 52).
Check hydraulic hose and wiring harness routing, ensuring adequate clearance with header up or down.
Be sure colour coding on hydraulic hoses is matched and that all hydraulic connections are fully engaged.
Macdon 973 Draper Header Specs
Check header flotation as follows:
973 Header: 50-70 lbs. [225 -315 N] cutting above ground / 30 lbs [135 N] cutting on ground.
(P. 22 & Adapter Operator’s Manual).
974 Flex Header: Perform wing and spring float set-up and checks (P. 87).
Check that header is level. (See Adapter Operator’s Manual for Adjustment).
Run machine at operating speed for 15 minutes, STOP ENGINE and check for belt/idler alignment and
heated bearings. Check sickle sections for discoloration caused by misalignment of components.
Check lights are functional.
Place Operator’s Manual in storage case under left end shield.
Date Checked:
Checked by: _______________________